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New Invasive Hawkweed

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Tall hawkweed, a new invasive, has shown up in the Hinton area, the first report of its presence in Alberta. While these hawkweeds do lack stolons, it still is considered invasive through rhizomes, says Nicole Kimmel, weed specialist with Alberta Agriculture and Rural Development. All suspect meadow hawkweed (Hieracium caespitosum) sightings will now be scrutinized, as both meadow and tall hawkweed can be easily confused. Although tall hawkweed is not yet regulated under the Weed Control Act, due to its invasiveness we would encourage eradication, if possible, when found. Agri-News



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